<template>
  <div class="icons" :options="swiperOption" ref="mySwiper">
    <swiper>
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" />
          </div>
          <p class="icon-desc">{{ item.desc }}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  components: {},
  name: "HomeIcons",
  props: {
    iconList: Array
  },
  data() {
    return {
      swiperOption: {
        autoplay: false
      }
    };
  },
  computed: {
    pages() {
      const pages = [];
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8);
        if (!pages[page]) {
          pages[page] = [];
        }
        pages[page].push(item);
      });
      return pages;
    }
  }
};
</script>

<style lang="stylus" scoped>
@import '~@/assets/variable.styl'
@import '~@/assets/mixins.styl'
    .icons >>> .swiper-container
        height: 0
        padding-bottom: 50%
    .icons
      margin-top: .1rem
      .icon
          position: relative
          overflow: hidden
          float: left
          width: 25%
          height: 0
          padding-bottom:25%
          .icon-img
              position:absolute
              top: 0
              left: 0
              right: 0
              bottom: .44rem
              box-sizing:border-box
              padding: .1rem
              .icon-img-content
                  height: 100%
                  display:block
                  margin 0 auto
          .icon-desc
              position: absolute
              left: 0
              right: 0
              bottom: 0
              height: .44rem
              line-height: .44rem
              text-align center
              color: $darkTextColor
              ellipsis()
</style>
